222973872 has 80 divisors (see below), whose sum is σ = 630709632. Its totient is φ = 67317760.

The previous prime is 222973843. The next prime is 222973889. The reversal of 222973872 is 278379222.

222973872 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 182608 + ... + 183824.

Almost surely, 2^222973872 is an apocalyptic number.

222973872 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 222973872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (315354816).

222973872 is an abundant number, since it is smaller than the sum of its proper divisors (407735760).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

222973872 is a wasteful number, since it uses less digits than its factorization.

222973872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1586 (or 1580 counting only the distinct ones).

The product of its digits is 169344, while the sum is 42.

The square root of 222973872 is about 14932.3096672953. The cubic root of 222973872 is about 606.3890148919.

The spelling of 222973872 in words is "two hundred twenty-two million, nine hundred seventy-three thousand, eight hundred seventy-two".